A researcher explains why it's important to confirm the connection between greenhouse gas emissions and wild weather, such as flooding in Pakistan and the heat dome in B.C. Rocking out at a solar powered nighttime concert on Prince Edward Island. Plus, we hear from people bringing climate action into their workplaces.

Cannabis was legalized a year ago, and while growing operations span across the country, CBC's Amy Dodge takes a look at the environmental footprint it's leaving behind.